US Ultramarathons

Browse our Ultramarathon Calendar for races organized in the USA.

1,353 races

Kaniksu 50 & Emory Corwine Memorial Ruck Race

50 Mile
2019-06-08 - 06:10
North America / USA / Pacific / Washington / Frater Lake
Ultramarathon
Trail Running Solo

Kaniksu 50 & Emory Corwine Memorial Ruck Race

50 Mile Relay
2019-06-08 - 06:10
North America / USA / Pacific / Washington / Frater Lake
Ultramarathon
Trail Running Relay

Golden Gate Dirty 30 Trail Run

50K Trail Run
2019-06-01
North America / USA / Mountain Region / Colorado / Golden Gate Canyon SP, Black Hawk
Ultramarathon
Trail Running Solo

The Lighthouse 100

50 mile
2019-06-01
North America / USA / Peninsula
Ultramarathon
Multi terrain Running Point to Point Solo

The Lighthouse 100

100 mile
2019-06-01
North America / USA / Peninsula
Ultramarathon
Multi terrain Running Point to Point Solo

Bend Beer Chase

Bend Beer Chase
2019-06-01 - 06:30
North America / USA / Pacific / Oregon / Bend
Ultramarathon
Road Running Point to Point Relay

Wyoming Marathon Races

Rocky Mountain 50k
2019-05-26 - 06:00
North America / USA / Mountain Region / Wyoming / Laramie
Ultramarathon
Road Running Solo

Jemez Mountain Trail Runs

50-Mile
2019-05-19 - 05:00
North America / USA / Mountain Region / New Mexico / Los Alamos
Ultramarathon
UTMB Qualifier Trail Running Hilly Solo

Jemez Mountain Trail Runs

50K
2019-05-19 - 06:00
North America / USA / Mountain Region / New Mexico / Los Alamos
Ultramarathon
UTMB Qualifier Trail Running Hilly Solo

Keys 100

100 Mile Individual Ultra
2019-05-18 - 06:15
North America / USA / South Atlantic / Florida / Key West
Ultramarathon
Road Running Solo

Keys 100

50 Mile Individual Ultra
2019-05-18 - 09:45
North America / USA / South Atlantic / Florida / Key West
Ultramarathon
Road Running Solo

Born to Run Ultra Marathons

30 Miler
2019-05-18 - 06:00
North America / USA / Pacific / California / Los Olivos
Ultramarathon
Trail Running Solo
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